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US-2012-09-10 : Timken Alcor Aerospace Technologies, Inc. First Stage Sun Gears and Planet Gears - Removal from Service

Number US-2012-09-10
Issued by United States of America  United States of America
Issue date 2012-05-09
Effective date 2012-05-23
EASA approval number
ATA Chapter 72
Approval Holder
/ Type Designation
  • PRATT & WHITNEY CANADA
    • PT6A-100
      • PT6A-110
      • PT6A-112
      • PT6A-114
      • PT6A-114A
      • PT6A-121
      • PT6A-135
      • PT6A-135A
    • PT6A-30
      • PT6A-38
    • PT6A-40
      • PT6A-41
      • PT6A-42
      • PT6A-42A
    • PT6A-60
      • PT6A-61
    • PT6A-67
      • PT6A-64
      • PT6A-66
      • PT6A-66B
Revision Not applicable
Correction Not applicable
Supersedure None
Publication(s) and related information None.
Remarks As the unsafe condition addressed by this AD is the result of installing (on P&WC PT6A engines) certain parts manufactured by Timken Alcor Aerospace Technologies, Inc. (TAATI), which is a US-based company, and under a Parts Manufacturer Approval (PMA) from the FAA, EASA has decided to adopt this FAA AD under ED Decision 2/2003. Enquiries regarding this AD should be referred to the Safety Information Section, Certification Directorate, EASA. E-mail ADs[@]easa.europa[dot]eu.

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